Valve mechanism



Nov. 13, 1928. 1,691,811

y E. JOHNSON VALVE MECHANI SM Filed. March l1, 1927 7f3-9; /z M E911 INVEN TOR.

E. IDHNSDN Bymfw A TTORNEY Patented Nov. I3, 1928.

ELMER JOHNSON, l0F SAN FRANCISCO, CALIFORNIA.

VALVE MECHANISM.

pplication filed. March 11, 1927. Serial No. 174.580.

'Ihis invention relates to improvements in valve mechanisms. i

The principal object of this invention 1s to provide simple meanswhereby the rotation of a single element will rotate a valve member forthe purpose of cutting olf the discharge of a commodity therethrough.

Another object of this invention is to pro- `vide a device of thischaracter which is simple in construction and therefore economical tomanufacture.

Another object is to provide a device wherein a double seal will beeffected.

A further object is to produce a device of this character which isequally applicable to either liquid dispensing or the dispensing of adry commodity.

Other obj ects and advantages will be apparent during the course ofthefollowing de- V scription.

In the accompanying drawings forming a part of this specification, andin which like numerals designate like parts throughout the same,

Figure I is a fragmentary view of a collapsible tube having my inventionapplied there to,

Figure II is a top plan view of Figure I,

Figure III is a view similar to Figure I, partly broken away in order toshow the mechanism thereof,

Figure IV is atopplan view of Figure I, with the cap removed,

Figure V is a bottom plan view of the cap, and

Figure VI is a view similar to Figure III showing the valve in shut-oil'position.

In the dispensing of commodities such as tooth paste and the like, ithas been common to employ a screwed cap in order to retain the toothpaste within the tube. The result is that these screwed on caps areoftentimes lost, after which the tube cannot be closed and the result isthat the commodity is unsanitary.

I have therefore provided a valve mechanism which may be inserted in thetop of a tube of this character, which valve may be actuated by thesimple rotation of the cap.

It is obvious that vmy device might be equally Well used in any positionwhere it is desired to interrupt the How of a commodity from a source ofsupply as for instance in a water faucet, the principle being the samein both cases.

In the accompanying drawings wherein for the purpose of illustration isshown a preferred embodiment of my invention, the numeral 5 designatesthe upper end of a collapsible tube having a neck (i. This neck ispartly cut away so as to form a ledge 7 upon which the trunnions 8 of myball valve 9 rest. 'Ihese trunnions may be formed on the ball or securedthereto.

'I his ball valve has a passage 11 extending therethrough, which openingis adapted to register with a port 12 (see Figure III), The ball valve 9rests in a seat 13 formed within the neck of the tube.

In order to rotate the ball valve 9 I employ a cap having an annulardepending ringlike portion 111 which encircles the neck 6 and has itslower extremity crimped as shown at 16. This crimped portion engages anannular cap from being removed and at the same time permits the cap torotate with respect to the neck of the tube.

A knurled rim is shown at 17 while a domeshaped portion 18 encircles theupper portion of the ball valve 9. rIhis dome-shaped portion has adischarge port 19 formed therein which is in axial alignment with theport 12.

A pin 21 extends through the knurled rim 17 and is adapted to enter acam-shaped slot 22 formed in the surface of the ball valve 9.

The result of this construction is that when the cap is rotated in onedirection, the pin 21 engaging the cam slot 22 will cause the ball valveto move to that position wherein the passage 11 will register with theports 12 and 19, at which time the commodity may be dispensed. l

Rotation of the cap in the opposite direction will serve to move theball valve so as to bring the passage 11 out of registry with the ports12 and 19. thereby preventing furthr dispensing of the commodity' withinthe tu e.

It is to be understood that the form of my invention herewith shown anddescribed is to be taken as a preferred example of the same, and thatvarious changes relative to the shape, size, material, and arrangementof parts may be resorted to without departing from the spirit of theinvention, or the scope of the subjoined claims.

Having thus described my invention, I claim 1. In a device of thecharacter described, a receptacle having a neck portion, a hall valvepositioned in saidv neck portion, a rotatable member encircling saidneck portion, a cam recess 15 cut in the neck 6. This prevents the ,los

carried on said ball, and means associated with said rotatable memberfor engaging saidports formed in said rotatable member on saidreceptacle and adapted to coincide with a passage formed in said ball.

2. In a valve mechanism a receptacle having a discharge port, a ballvalve positioned adjacent thereto, said ball valve having a passagetherethrough, trunnions formed on said ball, a rotatable member mountedon said receptacle and adapted to rotate freely with re'- spect thereto,a cam formed in the surface of said ball, a pin carried in saidrotatable member, said pin engaging said cam, an outlet port formed insaid rotatable member, an inlet port formed in said ball, said inletport and said outlet port being in axial alignment for the purposespecified.

In testimony whereof I afx my signature.

ELMER JOHNSON.

